英语词汇“pingpong ball”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	pingpong ball
释义	pingpong ball短语¹⁴⁴⁹⁷²⁺² 基本例句乒乓球 Thus if we hold a PingPong ball in our hand some distance above the floor, it has potential energy but no kinetic energy. 例如我们手握一个乒乓球保持离地面一定的高度，它具有势能而没有动能。 blog.sina.com.cn
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